NPPES file of Aug 9, 2026

Erin Michelle Davis, M.D.

Internal Medicine Physician · Madison, WI

Erin Michelle Davis, M.D. is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1558680165, issued on May 21, 2010. Check the license (Wisconsin 69536, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558680165
Name
Erin Michelle Davis
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
69536 WI
125:057690 IL
Self-reported in NPPES; status is on the state search
Practice location
451 Junction RD, Madison, WI 53717
Phone
(608) 265-7550
Enumerated
May 21, 2010
Record last updated
Jan 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180924001647); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →

Also registered at 451 Junction RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Natalie Albino, AGNPNurse Practitioner1568238095
  2. Nicole Amass, NPNurse Practitioner1992769509
  3. Christopher Anderson, MDInternal Medicine Physician1245869973
  4. India Anderson-CarterObstetrics & Gynecology Physician1750910667
  5. Jon Arnason, MDRheumatology Physician1265760433
  6. William Aughenbaugh, MDDermatology Physician1033178272

Verify Erin Michelle Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 69536    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

294 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Erin Davis294
  2. Specialty average3,176

Most prescribed

  1. Diclofenac Sodium42 claims
  2. Amoxicillin-Clavulanate Potass21 claims
  3. Omeprazole15 claims
  4. Albuterol Sulfate Hfa14 claims
  5. Fluticasone Propionate13 claims
  6. Prednisone12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. University OF Wisconsin Medical Foundation IncMadison, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Erin Michelle Davis among 2,078 internal medicine physician records in Wisconsin

Erin Michelle Davis, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.

  • NPI issued2010 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2010 · median 2002 among the 1,098 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

417 internal medicine physician records list a practice address in Madison

They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.

All 2,078 in Wisconsin → Every provider in Madison → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lorna Belsky, MDMadison, WI 537171912974536
  2. John Blanchard, MDMadison, WI 537171982671517
  3. Shobhina Chheda, MDMadison, WI 537171538136213
  4. Daniela Constantinescu, MDMadison, WI 537171033103940
  5. David Feldstein, MDMadison, WI 537171396712444
  6. James Haine, MDMadison, WI 537171629063110
  7. Peter Idsvoog, MDMadison, WI 537171407822448
  8. Kristin Lewicki, MDMadison, WI 537171285695106

Common questions

What is Erin Michelle Davis, M.D.'s NPI number?

Erin Michelle Davis, M.D.'s National Provider Identifier (NPI) is 1558680165, issued on May 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Erin Michelle Davis, M.D. located?

The NPPES record lists a practice address at 451 Junction RD, Madison, WI, 53717. Phone: (608) 265-7550. Providers update this record themselves, so call before visiting.

How can I verify Erin Michelle Davis, M.D.'s license?

NPPES lists Wisconsin license number 69536, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Erin Michelle Davis, M.D. prescribe under Medicare Part D?

In 2024, Erin Michelle Davis, M.D. had 294 Medicare Part D claims for 159 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.